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Phase 3 N=591 Randomized Double-blind Treatment

Brexpiprazole as Combination Therapy With Sertraline in the Treatment of Adults With Post-traumatic Stress Disorder

Post Traumatic Stress Disorder

Enrolled (actual)
591
Serious AEs
0.9%
Results posted
May 2025
Primary outcome: Primary: Change From Baseline in Clinician-Administered PTSD Scale for DSM-5 (CAPS-5) Total Score — -16.53; -18.28; -17.57 score on a scale — p=0.5165

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
Brexpiprazole (Drug); Sertraline (Drug); Placebo (Other)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Primary completion
Jul 2023

Outcome Measures

OutcomeResultp-value
PRIMARY
Change From Baseline in Clinician-Administered PTSD Scale for DSM-5 (CAPS-5) Total Score
-16.53; -18.28; -17.57 0.5165
SECONDARY
Change in Clinical Global Impression - Severity (CGI-S) Score
-1.26; -1.31; -1.29 0.8215
SECONDARY
Change in Brief Inventory of Psychosocial Functions (B-IPF) Score
-27.12; -31.79; -22.96 0.2331

Summary

This will be a 12-week, multicenter, randomized, double-blind trial evaluating the efficacy, safety, and tolerability of fixed-dose brexpiprazole + sertraline combination treatment in adult subjects with post-traumatic stress disorder.

Eligibility Criteria

Inclusion Criteria

  • Male and female outpatients 18 to 65 years of age, inclusive, at the time of informed consent.
  • Participants who have post-traumatic stress disorder (PTSD), diagnosed according to Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5), and confirmed by the Mini International Neuropsychiatric Interview (MINI).
  • Onset of symptoms meeting the DSM-5 criteria for PTSD symptoms for a minimum of 6 months prior to screening.

Exclusion Criteria

  • The index traumatic event that led to the development of PTSD took place > 9 years before screening.
  • The index traumatic event occurred before age 16.
  • Participants who have experienced a traumatic event within 3 months of screening.
  • Participants who are receiving disability payments because of PTSD or any other psychiatric disorder; unless the disability payments will not be impacted by potential improvements demonstrated in the trial.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT04174170). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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